staging: make USB device id constant

The id_table field of the struct usb_device_id is constant in <linux/usb.h>
so it is worth to make the initialization data also constant.

The semantic match that finds this kind of pattern is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r@
disable decl_init,const_decl_init;
identifier I1, I2, x;
@@
	struct I1 {
	  ...
	  const struct I2 *x;
	  ...
	};
@s@
identifier r.I1, y;
identifier r.x, E;
@@
	struct I1 y = {
	  .x = E,
	};
@c@
identifier r.I2;
identifier s.E;
@@
	const struct I2 E[] = ... ;
@depends on !c@
identifier r.I2;
identifier s.E;
@@
+	const
	struct I2 E[] = ...;
// </smpl>
Signed-off-by: Németh Márton <nm127@freemail.hu>
Cc: Julia Lawall <julia@diku.dk>
Cc: cocci@diku.dk
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/asus_oled/asus_oled.c

@@ -87,7 +87,7 @@ struct oled_dev_desc_str {
 };
 
 /* table of devices that work with this driver */
-static struct usb_device_id id_table[] = {
+static const struct usb_device_id id_table[] = {
 	/* Asus G1/G2 (and variants)*/
 	{ USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM) },
 	/* Asus G50V (and possibly others - G70? G71?)*/

drivers/staging/comedi/drivers/dt9812.c

@@ -264,7 +264,7 @@ struct dt9812_usb_cmd {
 
 static DECLARE_MUTEX(dt9812_mutex);
 
-static struct usb_device_id dt9812_table[] = {
+static const struct usb_device_id dt9812_table[] = {
 	{USB_DEVICE(0x0867, 0x9812)},
 	{}			/* Terminating entry */
 };

drivers/staging/comedi/drivers/usbdux.c

@@ -2833,7 +2833,7 @@ static struct comedi_driver driver_usbdux = {
 };
 
 /* Table with the USB-devices: just now only testing IDs */
-static struct usb_device_id usbduxsub_table[] = {
+static const struct usb_device_id usbduxsub_table[] = {
 	{USB_DEVICE(0x13d8, 0x0001)},
 	{USB_DEVICE(0x13d8, 0x0002)},
 	{}			/* Terminating entry */

drivers/staging/comedi/drivers/usbduxfast.c

@@ -1769,7 +1769,7 @@ static struct comedi_driver driver_usbduxfast = {
 /*
  * Table with the USB-devices: just now only testing IDs
  */
-static struct usb_device_id usbduxfastsub_table[] = {
+static const struct usb_device_id usbduxfastsub_table[] = {
 	/* { USB_DEVICE(0x4b4, 0x8613) }, testing */
 	{USB_DEVICE(0x13d8, 0x0010)},	/* real ID */
 	{USB_DEVICE(0x13d8, 0x0011)},	/* real ID */

drivers/staging/comedi/drivers/vmk80xx.c

@@ -75,7 +75,7 @@ enum {
 	DEVICE_VMK8061
 };
 
-static struct usb_device_id vmk80xx_id_table[] = {
+static const struct usb_device_id vmk80xx_id_table[] = {
 	{USB_DEVICE(0x10cf, 0x5500), .driver_info = DEVICE_VMK8055},
 	{USB_DEVICE(0x10cf, 0x5501), .driver_info = DEVICE_VMK8055},
 	{USB_DEVICE(0x10cf, 0x5502), .driver_info = DEVICE_VMK8055},

drivers/staging/frontier/alphatrack.c

@@ -58,7 +58,7 @@
 #endif
 
 /* table of devices that work with this driver */
-static struct usb_device_id usb_alphatrack_table[] = {
+static const struct usb_device_id usb_alphatrack_table[] = {
 	{USB_DEVICE(VENDOR_ID, PRODUCT_ID)},
 	{}			/* Terminating entry */
 };

drivers/staging/frontier/tranzport.c

@@ -55,7 +55,7 @@
 #endif
 
 /* table of devices that work with this driver */
-static struct usb_device_id usb_tranzport_table[] = {
+static const struct usb_device_id usb_tranzport_table[] = {
 	{USB_DEVICE(VENDOR_ID, PRODUCT_ID)},
 	{}			/* Terminating entry */
 };

drivers/staging/go7007/go7007-usb.c

@@ -444,7 +444,7 @@ static struct go7007_usb_board board_sensoray_2250 = {
 	},
 };
 
-static struct usb_device_id go7007_usb_id_table[] = {
+static const struct usb_device_id go7007_usb_id_table[] = {
 	{
 		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 					USB_DEVICE_ID_MATCH_INT_INFO,

drivers/staging/go7007/s2250-loader.c

@@ -148,7 +148,7 @@ static void s2250loader_disconnect(struct usb_interface *interface)
 	unlock_kernel();
 }
 
-static struct usb_device_id s2250loader_ids[] = {
+static const struct usb_device_id s2250loader_ids[] = {
 	{USB_DEVICE(0x1943, 0xa250)},
 	{}                          /* Terminating entry */
 };

drivers/staging/line6/driver.c

@@ -33,7 +33,7 @@
 
 
 /* table of devices that work with this driver */
-static struct usb_device_id line6_id_table[] = {
+static const struct usb_device_id line6_id_table[] = {
 	{ USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXT) },
 	{ USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXTLIVE) },
 	{ USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXTPRO) },

drivers/staging/otus/zdusb.c

@@ -45,7 +45,7 @@ MODULE_LICENSE("Dual BSD/GPL");
 static const char driver_name[] = "Otus";
 
 /* table of devices that work with this driver */
-static struct usb_device_id zd1221_ids [] = {
+static const struct usb_device_id zd1221_ids[] = {
 	{ USB_DEVICE(VENDOR_ATHR, PRODUCT_AR9170) },
         { USB_DEVICE(VENDOR_DLINK, PRODUCT_DWA160A) },
 	{ USB_DEVICE(VENDOR_NETGEAR, PRODUCT_WNDA3100) },

drivers/staging/quatech_usb2/quatech_usb2.c

@@ -116,7 +116,7 @@ static int debug;
 #define FOURTHCHAR	((unsigned char *)(urb->transfer_buffer))[i + 3]
 #define FIFTHCHAR	((unsigned char *)(urb->transfer_buffer))[i + 4]
 
-static struct usb_device_id quausb2_id_table[] = {
+static const struct usb_device_id quausb2_id_table[] = {
 	{USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_SSU2_100)},
 	{USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_DSU2_100)},
 	{USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_DSU2_400)},

drivers/staging/rtl8192su/r8192U_core.c

@@ -110,7 +110,7 @@ u32 rt_global_debug_component = \
 #define TOTAL_CAM_ENTRY 32
 #define CAM_CONTENT_COUNT 8
 
-static struct usb_device_id rtl8192_usb_id_tbl[] = {
+static const struct usb_device_id rtl8192_usb_id_tbl[] = {
 	/* Realtek */
 	{USB_DEVICE(0x0bda, 0x8192)},
 	{USB_DEVICE(0x0bda, 0x8709)},

drivers/staging/rtl8192u/r8192U_core.c

@@ -104,7 +104,7 @@ u32 rt_global_debug_component = \
 #define TOTAL_CAM_ENTRY 32
 #define CAM_CONTENT_COUNT 8
 
-static struct usb_device_id rtl8192_usb_id_tbl[] = {
+static const struct usb_device_id rtl8192_usb_id_tbl[] = {
 	/* Realtek */
 	{USB_DEVICE(0x0bda, 0x8192)},
 	{USB_DEVICE(0x0bda, 0x8709)},

drivers/staging/serqt_usb2/serqt_usb2.c

@@ -126,7 +126,7 @@ static int debug;
 #define MODEM_CTRL          0x40
 #define RS232_MODE          0x00
 
-static struct usb_device_id serqt_id_table[] = {
+static const struct usb_device_id serqt_id_table[] = {
 	{USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_SSU100)},
 	{USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_SSU200)},
 	{USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_DSU100)},

drivers/staging/winbond/wbusb.c

@@ -23,7 +23,7 @@ MODULE_DESCRIPTION("IS89C35 802.11bg WLAN USB Driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION("0.1");
 
-static struct usb_device_id wb35_table[] __devinitdata = {
+static const struct usb_device_id wb35_table[] __devinitconst = {
 	{ USB_DEVICE(0x0416, 0x0035) },
 	{ USB_DEVICE(0x18E8, 0x6201) },
 	{ USB_DEVICE(0x18E8, 0x6206) },